package com.hzj.config;

import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.extension.plugins.pagination.optimize.JsqlParserCountOptimize;
import org.mybatis.spring.mapper.MapperScannerConfigurer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class MybatisConfig {
//    @Bean
//    public MapperScannerConfigurer mapperScannerConfigurer(){
//        MapperScannerConfigurer scannerConfigurer = new MapperScannerConfigurer();
//        //可以通过环境变量获取你的mapper路径,这样mapper扫描可以通过配置文件配置了
//        scannerConfigurer.setBasePackage("com.hzj.mapper");
//        return scannerConfigurer;
//    }
@Bean
public PaginationInterceptor paginationInterceptor() {
    PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
// 设置请求的页面大于最大页后操作， true调回到首页，false 继续请求 默认false
// paginationInterceptor.setOverflow(false);
// 设置最大单页限制数量，默认 500 条，-1 不受限制
// paginationInterceptor.setLimit(500);
// 开启 count 的 join 优化,只针对部分 left join
    paginationInterceptor.setCountSqlParser(new JsqlParserCountOptimize(true));
    return paginationInterceptor;
}
}
